var xmlhttp = null;
function loadXMLDoc(url, callFunc){
	if(window.XMLHttpRequest){
		xmlhttp = new XMLHttpRequest();
	}else{
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	xmlhttp.onreadystatechange = callFunc;
	xmlhttp.open("GET",url,true);
	xmlhttp.send();
}


